AutomationDirect DURAPULSE GS3-4030 - RS-485 Connections for Multiple Drives

5–15
RS-485 Connections For Multiple Drives
ZIPLink™ RS-485 communication boards (ZL-CDM-RJ12X4 or ZL-CDM-RJ12X10)
provide an easy means to break out the RS-485 signal to several drives at one
location, which creates a star configuration. However, the transmission errors are
negligible, so this configuration is acceptable for proper operation of the VFDs.
RS-485 Direct Connections
DL06/DL260/
D0-DCM Port 2
15-pin HD
6
1
5
15
6 RXD–
7 GND
9 TXD+
10 TXD–
11 RTS+
12 RTS–
13 RXD+
14 CTS+
15 CTS–
4 SG +
3 SG –
2 GND
GS3 Comm Port
RJ12
Receptacle
GS-485HD15-CBL-2
AutomationDirect
ZIPLink Cable
Yellow 4
Blue 3
Black 2
P2-
RJ12
plug
Drain + Braid
P1-
HD15
plug
15
12
14
11
13
9
10
6
7
6
1
D0-DCM/DL06/DL260: RS-485 Connection Wiring
– for single drive at distance of 2 meters (6.6 ft) or less
120⏲ Termination Resistor
at both ends of network
TXD+ / RXD+
Signal GND
TXD– / RXD–
GS3
Comm Port
2 GND
3 SG -
4 SG +
Connect shield
to signal ground
at one end only
GS3
Comm Port
2 GND
3 SG -
4 SG +
Node 1
Node 2
CLICK C0-02
CPU Port 3
+
–
LG
1
2
3
NOTE:
(2) ZL-RJ12-CBL-2P cables can be
used for distances of 2m (6.6ft) or less
CLICK C0-02: RS-485 Connection Wiring
Recommended RS-485 cable: Belden 9842 or equivalent.
Termination Resistors are required on both ends of RS-485 networks; especially on long
runs.
Select resistors that match the impedance rating of the cable (between 100 and 500 Ω ).
Chapter 5: DURAPULSE MODBUS Communications
DURAPULSE AC Drive User Manual
1st Ed. Rev. D 05/2013